Fast Ford wizards Mountune have revealed their next slate of upgrades for the buzzy little three-cylinder engines found in the Fiesta ST and Puma ST. Up to 260PS (191kW) and 365Nm (270lb ft) is available – a 60PS (44kW) boost – turning these hot little cars into veritable firecrackers.
Mountune boosts Puma ST and Fiesta ST

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